Re: Questioning Oracle Documentation

> Is the example the same in the 9i manual ?> > I believe 10g has mechanisms for promoting constant> assignments to a position outside the loop - but possibly> this only works in a restricted number of cases.> > You might try:> n := 15> n := 15.0> > c as a varchar2()> c as char(2) -- to match the size of '15'

The example is from the 10g Tuning Guide to which I
provided the link.

I can understand an implicit conversion being
optimized. But faster than no conversion? I am
at a loss to explain this one.